| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * tracefs.h - a pseudo file system for activating tracing |
| * |
| * Based on debugfs by: 2004 Greg Kroah-Hartman <greg@kroah.com> |
| * |
| * Copyright (C) 2014 Red Hat Inc, author: Steven Rostedt <srostedt@redhat.com> |
| * |
| * tracefs is the file system that is used by the tracing infrastructure. |
| */ |
| |
| #ifndef _TRACEFS_H_ |
| #define _TRACEFS_H_ |
| |
| #include <linux/fs.h> |
| #include <linux/seq_file.h> |
| |
| #include <linux/types.h> |
| |
| struct file_operations; |
| |
| #ifdef CONFIG_TRACING |
| |
| struct dentry *tracefs_create_file(const char *name, umode_t mode, |
| struct dentry *parent, void *data, |
| const struct file_operations *fops); |
| |
| struct dentry *tracefs_create_dir(const char *name, struct dentry *parent); |
| |
| void tracefs_remove(struct dentry *dentry); |
| |
| struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent, |
| int (*mkdir)(const char *name), |
| int (*rmdir)(const char *name)); |
| |
| bool tracefs_initialized(void); |
| |
| #endif /* CONFIG_TRACING */ |
| |
| #endif |